docstr: TODO: implement in NPT-9207
docstr_tok: ["TODO",":","implement","in","NPT-9207"]
code: def test_send_channels_image_values(self):
      """TODO: implement in NPT-9207"""
  
file_path: neptune-client/tests/unit/neptune/legacy/test_alpha_integration_backend.py
imports: import time
  import unittest
  from typing import List
  import mock
  from freezegun import freeze_time
  from mock import MagicMock
  from neptune.legacy.internal.api_clients import HostedNeptuneBackendApiClient
  from neptune.legacy.internal.api_clients.hosted_api_clients.hosted_alpha_leaderboard_api_client import HostedAlphaLeaderboardApiClient
  from neptune.legacy.internal.channels.channels import ChannelIdWithValues, ChannelNamespace, ChannelType, ChannelValue
  from tests.unit.neptune.backend_test_mixin import BackendTestMixin
label_desc: Use image node_id 5 for calling the TestAlphaIntegrationNeptuneBackend obj's underlying member method code with example usage: obj.test_send_channels_image_values() without return types